Home / 306,251.56-422,589.54-178,834.60

Finding the Fourth Proportional to 306,251.56, 422,589.54 and 178,834.60

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Solution

The fourth proportional to 306,251.56, 422,589.54 and 178,834.60 is: 246,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,251.56 : 422,589.54 = 178,834.60 : x
  2. Step 2: Convert to fraction form
    306,251.56/422,589.54 = 178,834.60/x
  3. Step 3: Cross multiply
    306,251.56x = 422,589.54 × 178,834.60
  4. Step 4: Simplify right side
    306,251.56x = 75,573,631,350.08
  5. Step 5: Solve for x
    x = 75,573,631,350.08/306,251.56
  6. Step 6: Final answer
    x = 246,769.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.